CONFIG_MACH_AG5EVM is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_AG5EVM.
Result is shown for kernelversion 6.2.5
AG5EVM board
modulename: board-ag5evm.ko
configname: CONFIG_MACH_AG5EVM
Linux Kernel Configuration
└─>AG5EVM board